Malicious PDF — malware analysis report

Static analysis result for SHA-256 e057dc7e042fe6a6…

MALICIOUS

PDF

36.8 KB Authoring application: PDF Studio
MD5: 6f918652ee39fb037ec66377213d7b67 SHA-1: 200f7391224e06e8fc0884b600227d9176237faf SHA-256: e057dc7e042fe6a66cb23217b30ea0797e21fd20dc146389376400bc58aa38d9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further indicates a malicious intent, likely related to phishing or traffic redirection. The document body contains garbled text and some seemingly legitimate but out-of-place medical information, suggesting it's a lure to disguise the malicious link farm.

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://zoeandmichaelswedding.com/uploads/1/3/0/4/130476516/5222982.pdf
    • http://iswheatoncollegeopen.com/uploads/1/3/0/6/130639616/8c65ab.pdf
    • http://jballsy.com/uploads/1/3/0/4/130488885/1435268.pdf
    • http://southaustinyoga.com/uploads/1/3/0/4/130477026/sasix_faganugu_gikolelimumun.pdf
    • http://villasvitao.com/uploads/1/3/0/6/130639283/xotenefi.pdf
    • http://demo11.vistait.com/uploads/1/3/0/2/130289283/govewexozi.pdf
    • http://kidneyrecipes.net/uploads/1/3/0/6/130604210/d3a3a159a1e.pdf
    • http://amberbeuthien.com/uploads/1/3/0/5/130546885/2376143.pdf
    • http://www.euro-arabia.eu/uploads/1/3/0/4/130478772/difikarote.pdf
    • http://dangerzoneuboldo.com/uploads/1/3/0/6/130603955/vawisudo.pdf
    • http://giggil.org/uploads/1/3/0/7/130740389/pesodur.pdf
    • http://summerpodcastinstitute.com/uploads/1/3/0/6/130620263/866e03eea27.pdf
    • http://74-123-77-236.mgwnet.com/uploads/1/3/0/9/130969776/130969776.html#ayurvedic+treatment+for+rheumatic+fever

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000036cb.bin
9c8e08ad605e19d485bed4dd12ccb21f953dbf4e41904dc871691b29b4f0d489		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36CB 8476 bytes

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